Question

solve this 2sinA - 3cosA = 3

Answer 1

hey there,

2 sinA/ 3 cosA = 3/4

TanA = 3/4 x 3/2 = 9/8 = perpendicular/ base

So hypotenuse = v9 2  + 8 2 = v145

so cosA = 8/ v145, cosecA = v145/ 9

Hope this helps!